Carpenter ants in FL would be the same as carpenter ants in other regions of the country. We generally recommend using Termidor SC outdoors around the perimeter of your home. This is labeled to be used every six months outdoors.
What types of bait are you using? We would be happy to make another recommendation if you have been using them for a while.
The active ingredient in Termidor is Fipronil. It does not contain any Ethanol.
We recommend contacting our office for treatment recommendations as we will need more information in order to advise on the correct way to treat for termites with Termidor SC . The depth of the basement walls, how close the well is to the exterior wall, and how many linear feet you are treating around the exterior. The square footage is not important as you need to know how many linear feet it is around the exterior of the home. You may reach us at 1-866-581-7378 Mon - Fri 9am-5pm EST.
The Chapin Premier 1 Gallon Poly Sprayer 21210XP is a great general purpose hand pump sprayer that works great for general pest control applications both indoors and outdoors. For outdoor lawn applications, The Chapin Professional 4 Gallon backpack sprayer is a great option. The most popular general purpose insecticide is Talstar P. It is labeled for both indoor and outdoor use, treats over 75 insects, lasts 30 days outdoors (perimeter, ornamental, lawn and broadcast applications) and 90 days indoors (crack and crevice applications only)
Termidor SC is labeled for spiders, but it can only be sprayed one foot up and one foot out around the exterior of a structure. A better option would be our Spider Control Kit. This kit contains the products you need to prevent or eliminate spider activity in and around your home. Using the three products in this kit after a thorough inspection of the target area will lead to a successful spider treatment program. This kit contains the liquid concentrate Temprid FX in easy-to-use single dose bottles. Temprid FX has two active ingredients that target most common crawling and flying pests long after the initial spray. The included CB-80 is a ready-to-use aerosol insecticide that kills spiders and insects quickly on contact. Finally, Catchmaster 100i Insect Monitors trap spiders and insects to help identify which pests are present and to monitor your treatment.
Termidor SC should be dilulted at 0.8 fl oz per gallon of water and the listed amount of foaming agent per gallon per the product's label.